题目内容
| 直接写出得数． 12.4+2.1= |
0.08×0.5= | 0.14÷0.02= | 2.5+0.2×2= |
| 9.5×100= | 1.25×8= | 1÷4= | 0.25×0.9×4= |
| 3.5-1.5= | 1.2÷0.4= | 3.6×0.5= | 8×0.9+8×2.1= |
| 6.3÷0.09= | 2.9×0.3= | 0.95÷5= | 7.8+2.2-1.5= |
| 1.6×0.25= | 0.1÷0.5= | 3.5×2×0.1= | 2.1÷0.2÷3.5= |
分析：本题根据小数加、减、乘、除及四则混合运算的运算法则计算即可．
解答：解：
| 12.4+2.1=14.5 | 0.08×0.5=0.04 | 0.14÷0.02=7 | 2.5+0.2×2=2.9 |
| 9.5×100=950 | 1.25×8=10 | 1÷4=0.25 | 0.25×0.9×4=0.9 |
| 3.5-1.5=2 | 1.2÷0.4=3 | 3.6×0.5=1.8 | 8×0.9+8×2.1=24 |
| 6.3÷0.09=70 | 2.9×0.3=0.87 | 0.95÷5=0.19 | 7.8+2.2-1.5=8.5 |
| 1.6×0.25=0.4 | 0.1÷0.5=0.2 | 3.5×2×0.1=0.7 | 2.1÷0.2÷3.5=3 |
点评：完成本题要注意分析式中数据，能简算的要简算．
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